WASHINGTON TEACHERS’ UNION, LOCAL # 6, Appellant, v. DISTRICT OF COLUMBIA PUBLIC SCHOOLS, District of Columbia Board of Education, Clifford B. Janey (Superintendent of the District of Columbia Public Schools), Appellees, and AFSCME, District Council 20, Local 2921, AFL-CIO, Appellant, v. District of Columbia Public Schools, District of Columbia Board of Education, Clifford B. Janey […]